I have a 9" floater that measures 60" centered. It is 5 X 5 with 5/8" coarse studs and .810 rotors. It has large GM caliper brackets and 31 splined solid axles. $400.00 Buzzy 407-832-5237 Winter Garden If you’re into Ebay, please check out my store at Hot Set Up Racing Equipment, seller name oldsrolls.